cmake_minimum_required(VERSION 2.6)

project(enet)

# The "configure" step.
include(CheckFunctionExists)
include(CheckStructHasMember)
include(CheckTypeSize)

check_function_exists("fcntl" HAS_FCNTL)
check_function_exists("poll" HAS_POLL)
check_function_exists("getaddrinfo" HAS_GETADDRINFO)
check_function_exists("getnameinfo" HAS_GETNAMEINFO)
check_function_exists("gethostbyname_r" HAS_GETHOSTBYNAME_R)
check_function_exists("gethostbyaddr_r" HAS_GETHOSTBYADDR_R)
check_function_exists("inet_pton" HAS_INET_PTON)
check_function_exists("inet_ntop" HAS_INET_NTOP)

check_struct_has_member("struct msghdr" "msg_flags" "sys/types.h;sys/socket.h" HAS_MSGHDR_FLAGS)

set(CMAKE_EXTRA_INCLUDE_FILES "sys/types.h" "sys/socket.h")
check_type_size("socklen_t" HAS_SOCKLEN_T BUILTIN_TYPES_ONLY)
unset(CMAKE_EXTRA_INCLUDE_FILES)

if(MSVC)
	add_definitions(-W3)
else()
	add_definitions(-Wno-error)
endif()

if(HAS_FCNTL)
    add_definitions(-DHAS_FCNTL=1)
endif()
if(HAS_POLL)
    add_definitions(-DHAS_POLL=1)
endif()
if(HAS_GETNAMEINFO)
    add_definitions(-DHAS_GETNAMEINFO=1)
endif()
if(HAS_GETADDRINFO)
    add_definitions(-DHAS_GETADDRINFO=1)
endif()
if(HAS_GETHOSTBYNAME_R)
    add_definitions(-DHAS_GETHOSTBYNAME_R=1)
endif()
if(HAS_GETHOSTBYADDR_R)
    add_definitions(-DHAS_GETHOSTBYADDR_R=1)
endif()
if(HAS_INET_PTON)
    add_definitions(-DHAS_INET_PTON=1)
endif()
if(HAS_INET_NTOP)
    add_definitions(-DHAS_INET_NTOP=1)
endif()
if(HAS_MSGHDR_FLAGS)
    add_definitions(-DHAS_MSGHDR_FLAGS=1)
endif()
if(NOT HAS_SOCKLEN_T)
    add_definitions(-DHAS_NO_SOCKLEN_T=1)
endif()

if (NOT DEFINED ENET_ONLY_CONFIG)
    include_directories(${PROJECT_SOURCE_DIR}/include)

    set(INCLUDE_FILES_PREFIX include/enet)
    set(INCLUDE_FILES
        ${INCLUDE_FILES_PREFIX}/callbacks.h
        ${INCLUDE_FILES_PREFIX}/enet.h
        ${INCLUDE_FILES_PREFIX}/list.h
        ${INCLUDE_FILES_PREFIX}/protocol.h
        ${INCLUDE_FILES_PREFIX}/time.h
        ${INCLUDE_FILES_PREFIX}/types.h
        ${INCLUDE_FILES_PREFIX}/unix.h
        ${INCLUDE_FILES_PREFIX}/utility.h
        ${INCLUDE_FILES_PREFIX}/win32.h
    )

    set(SOURCE_FILES
        src/callbacks.c
        src/compress.c
        src/host.c
        src/list.c
        src/packet.c
        src/peer.c
        src/protocol.c
        src/unix.c
        src/win32.c)

    source_group(include FILES ${INCLUDE_FILES})
    source_group(source FILES ${SOURCE_FILES})

    add_library(enet STATIC
        ${INCLUDE_FILES}
        ${SOURCE_FILES}
    )

    if (MINGW)
        target_link_libraries(enet winmm ws2_32)
    endif()
endif()